News tagged with geomagnetic storms

Solar Cycle Driven by More than Sunspots

(PhysOrg.com) -- Challenging conventional wisdom, new research finds that the number of sunspots provides an incomplete measure of changes in the Sun's impact on Earth over the course of the 11-year solar ...

Sep 17, 2009
4.2 / 5 (14) 4

Sun continues to emit solar flares

After emitting its first significant solar flares since June 2013 earlier in the week, the sun continued to produce mid-level and significant solar flares on Oct. 27 and Oct. 28, 2013.

Oct 28, 2013
4 / 5 (5) 0 | with audio podcast

Europe readies for solar storm risks

Europe launched its first space weather coordination centre Wednesday to raise the alarm for possible satellite-sizzling solar storms that also threaten astronauts in orbit, plane passengers and electricity ...

Apr 03, 2013
5 / 5 (2) 5

Sun shoots out two coronal mass ejections

On Jan. 23, 2013, at 9:55 a.m. EST, the sun erupted with an Earth-directed coronal mass ejection, or CME. Experimental NASA research models, based on observations from the Solar Terrestrial Relations Observatory ...

Jan 24, 2013
5 / 5 (5) 0 | with audio podcast

New sunspots producing space weather

On Jan. 13, 2013, at 2:24 a.m. EST, the sun erupted with an Earth-directed coronal mass ejection or CME. Not to be confused with a solar flare, a CME is a solar phenomenon that can send solar particles into ...

Jan 14, 2013
5 / 5 (4) 0 | with audio podcast

NASA spacecraft observe a Thanksgiving CME

(Phys.org)—On Nov. 21, 2012, at 11:24 a.m. EST, the sun erupted with an Earth-directed coronal mass ejection or CME. Experimental NASA research models, based on observations from the Solar Terrestrial Relations ...

Nov 23, 2012
5 / 5 (5) 0 | with audio podcast